WO2017116117A1 - 라이오셀 섬유 및 이의 제조방법 - Google Patents

라이오셀 섬유 및 이의 제조방법 Download PDF

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Publication number
WO2017116117A1
WO2017116117A1 PCT/KR2016/015333 KR2016015333W WO2017116117A1 WO 2017116117 A1 WO2017116117 A1 WO 2017116117A1 KR 2016015333 W KR2016015333 W KR 2016015333W WO 2017116117 A1 WO2017116117 A1 WO 2017116117A1
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Prior art keywords
ethyl
imidazolium
circle
section
lyocell
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PCT/KR2016/015333
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English (en)
French (fr)
Korean (ko)
Inventor
진상우
김우철
조용관
정종철
이상열
이상목
Original Assignee
코오롱인더스트리 주식회사
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Priority to US16/066,778 priority Critical patent/US20190024263A1/en
Priority to CN201680077173.0A priority patent/CN108474142A/zh
Priority to JP2018551737A priority patent/JP2019500515A/ja
Publication of WO2017116117A1 publication Critical patent/WO2017116117A1/ko

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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/253—Formation of filaments, threads, or the like with a non-circular cross section; Spinnerette packs therefor
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
    • D01D10/06—Washing or drying
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/06—Wet spinning methods
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D01F2/02—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from solutions of cellulose in acids, bases or salts
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
    • D10B2201/20—Cellulose-derived artificial fibres
    • D10B2201/22—Cellulose-derived artificial fibres made from cellulose solutions

Definitions

  • the present invention relates to lyocell fibers, and more particularly, to lyocell fibers having a release cross section.
  • Fiber refers to a natural or artificial filiform object that is pliable and thin in shape and has a large ratio of length to thickness. These fibers can be divided into long fibers, brisket fibers, and short fibers in terms of their shape, and can be divided into natural fibers and artificial fibers in terms of raw materials.
  • the regenerated fibers in these artificial fibers not only have excellent touch and fit, but also have a much faster moisture absorption and discharge ability than cotton, and thus have been widely used as raw materials for coating.
  • the rayon fiber of the regenerated fiber has excellent gloss and color development and can realize a touch equivalent to that of natural fibers, and has been widely used in the past because it is recognized as a material harmless to the human body.
  • rayon fiber has the characteristics of a material that shrinks and wrinkles well, and the manufacturing process is complicated and many chemicals are used in melting wood pulp, thereby preventing environmental pollution during work and wastewater treatment. There are limitations that cause.
  • lyocell fibers manufactured from natural pulp and amine oxide hydrate were introduced.
  • NMMO natural pulp and amine oxide hydrate
  • These lyocell fibers have superior fiber properties such as tensile and tactile properties compared to conventional recycled fibers, and do not generate any contaminants in the production process, and are eco-friendly as amine oxide solvents are recyclable and biodegradable at disposal.
  • lyocell fibers which are usually manufactured using amine oxide hydrates as solvents, are limited in form to their cross-sections, so there are many constraints to maximize the advantages of natural fibers and synthetic fibers.
  • studies have been made on lyocell fibers having a release cross section.
  • lyocell fibers are manufactured by NMMO wet-wet solution spinning using amine oxide hydrate as a solvent, in the process of uncoagulated stretching in air in an air gap after the spinning solution is discharged through a spinning nozzle Since the cross-sectional shape tends to be close to a stable circle, the space occupancy is more damaged than the shape of the nozzle.
  • the present invention is to provide a lyocell fiber with a large specific surface area and a method of manufacturing the same by maximizing the shape change of the release cross-section.
  • the release cross-section lyocell fiber of the present invention comprises a lyocell multifilament prepared by spinning a lyocell spinning dope containing cellulose pulp and an ionic solvent, wherein the multifilament is composed of a monofilament whose cross section is a release cross section.
  • the release cross section of the monofilament includes a plurality of protrusions, the plurality of protrusions contacting a virtual first circle and a virtual second circle included in the virtual first circle, wherein the virtual first circle It is characterized in that it is formed integrally with two circles as a center and its end is in contact with the virtual first circle.
  • the release section of the monofilament is preferably a degree of release 1.5 to 10 defined by the following equation (1).
  • r1 is the radius of the imaginary first circle
  • r2 is the radius of the imaginary second circle
  • the lyocell fibers have a fineness of 1 to 30 denier, the radius of the imaginary first circle is 4 to 40 ⁇ m, and the radius of the imaginary second circle is 2 to 14 ⁇ m.
  • the lyocell fiber may have a space occupancy of 200 to 600% defined by Equation 2.
  • S1 is the imaginary first circle area and S2 is the cross-sectional area of the monofilament contained in the lyocell fiber.
  • Spinning dope manufacturing step (S1) for producing a lyocell spinning dope comprising a cellulose pulp and an ionic solvent
  • the lyocell multifilament thus made is composed of a monofilament whose cross section is a release cross section, and the release cross section of the monofilament includes a plurality of protrusions, the plurality of protrusions being a virtual first circle and the virtual first circle. It is in contact with the imaginary second circle contained in the interior of the imaginary second circle is formed integrally with the end thereof has a shape in contact with the imaginary first circle, the heteromorphic cross-sectional ratio of the shape You can raise.
  • the cellulose pulp in the spinning dope manufacturing step (S1) is preferably an alpha-cellulose content of 85 to 98%.
  • the ionic solvent is Dibutyl imidazolium acetate, Dipentyl imidazolium acetate, Dihexyl imidazolium acetate, Dipropyl imidazolium octano Dipropyl imidazolium octanoate, Dibutyl imidazolium octanoate, 1-Ethyl-3-methyl imidazolium heptanoate, 1-ethyl- 1-Ethyl-3-methyl imidazolium octanoate, 1-ethyl-3-methylimidazolium nonanoate, 1-ethyl- 3-Methylimidazolium decanoate, 1-Ethyl-3-methy imidazolium undecanoate, 1-Ethyl-3-methy imidazolium decanoate 3-methylimidazolium dodecanoate (1-Ethyl-3-methy imidazolium dodecanoate,
  • the lyocell spinning dope is 6 to 25% by weight of the cellulose pulp; And 75 to 94% by weight of the ionic solvent, and the ionic solvent contained in the coagulating solution in the spinning and solidifying step (S2) is an aqueous solution having a concentration of 20 to 70% of the ionic compound. It is preferable that the temperature of the said coagulating liquid is 30-80 degreeC.
  • the present invention it is possible to provide a lyocell fiber having a large specific surface area and a method of manufacturing the same by maximizing the shape change of the release cross-section, and the release cross-section lyocell fiber of the present invention is used for reinforcement materials in clothing, construction or automobile fields. Therefore, even when using a smaller amount than the conventional lyocell fibers can exhibit the same level or more of physical properties.
  • FIG. 1 is a schematic diagram showing a release cross section of the monofilament included in the release cross-section lyocell fiber according to an embodiment of the present invention.
  • Figure 2 is a photograph showing a cross section of the lyocell fiber prepared according to Example 1 of the present invention.
  • the present invention includes a lyocell multifilament prepared by spinning a lyocell spinning dope comprising a cellulose pulp and an ionic solvent, wherein the multifilament is made of a monofilament having a cross-sectional cross-section, the release of the monofilament
  • the cross-section includes a plurality of protrusions, wherein the plurality of protrusions are in contact with a virtual first circle and a virtual second circle included in the virtual first circle, the ends of which are in contact with the virtual first circle. It provides a release cross-section lyocell fiber characterized by having a shape in contact with.
  • the release cross section means a shape in which the cross section of the monofilament includes a plurality of protrusions, and specifically, as shown in FIG. 1, a plurality of protrusions 2 formed integrally with respect to one central part 1. It means a cross section having a shape.
  • the release cross section includes a virtual first circle 11 connecting the end points of each of the plurality of protrusions 2 and a virtual second circle 12 included in the virtual first circle 11. Its size and shape can be defined within the range of.
  • the virtual first circle 11 is a circle whose radius is larger than that of the virtual second circle 12, and preferably, the centers may be the same as each other, but may not be the same.
  • the release cross section includes a plurality of protrusions 2, and the plurality of protrusions 2 are integrally formed with the central portion 1 overlapping with the virtual second circle 12, but each end of each of the protrusions is formed.
  • (5) has the long axis (3) of the projection (2) in contact with the imaginary first circle 11, the concave portion (4) formed between the projections has a shape in contact with the imaginary second circle (12). .
  • the release cross section may include three protrusions.
  • the release cross section of the monofilament is preferably a degree of release 1.5 to 10 defined by the following equation (1).
  • r1 is the radius of the imaginary first circle
  • r2 is the radius of the imaginary second circle
  • the release degree of the release cross section may be advantageous to have a specific surface area larger than 10, but having a release degree of about 5 to 9.7 may have a larger surface area increase effect than a conventional filament having a circular cross section.
  • the degree of release may be implemented to 5.87 or more and 9.6 or less.
  • the fineness of the lyocell fibers is 1 to 30 denier
  • the radius of the imaginary first circle is 4 to 40 ⁇ m
  • the radius of the imaginary second circle is 2 to 14 ⁇ m. If the radius of the imaginary first circle or the radius of the imaginary second circle does not fall within the above range, since the fineness of the monofilament is excessively reduced, the ejection speed and pressure are so low that the filament cannot be radiated so that the filament itself is not formed. If the above range is not exceeded, solvent extraction may not be performed smoothly, resulting in affixing, and thus, a limitation in that a uniform cross-sectional shape of the filament cannot be formed.
  • the monofilament included in the lyocell fiber according to the present invention has a heteromorphic cross section as described above, and the lyocell fiber may have a space occupancy of 200 to 600% defined by Equation 2.
  • Space occupancy (%) (area of virtual first circle / cross-sectional area of monofilament contained in lyocell fibers) ⁇ 100
  • the space occupancy means the proportion of the space that the monofilament substantially occupies in the fiber due to the projection of the release cross section. That is, when the cross section of the monofilament contained in the lyocell fiber is a circular cross section, since the cross-sectional area of the actual monofilament is equal to the area of the imaginary first circle, the space occupancy defined as above is 100%, but includes protrusions. In the case of a fiber having a release cross section, the actual area occupied by the fiber is increased by the projections. Therefore, it can be seen that as the space occupancy increases, the specific surface area of the fiber increases.
  • the lyocell fiber of the present invention has a specific surface area of at least 220%, preferably at least 250%, in terms of excellent properties such as bulging properties, interfacial adhesion properties, and quick drying properties. It can be represented, according to an embodiment of the present invention can be implemented from 426.3% to 574.1%.
  • Spinning dope manufacturing step (S1) for producing a lyocell spinning dope comprising a cellulose pulp and an ionic solvent; Spinning and solidification for spinning the spinning dope into a multifilament inside the coagulating liquid containing the ionic solvent through a spinning nozzle having a plurality of release cross-sectional grooves and at the same time solidifying the radiated multifilament inside the coagulating liquid Step S2; And washing the spun and solidified multifilament (S3).
  • the lyocell multifilament thus made is composed of a monofilament whose cross section is a release cross section, and the release cross section of the monofilament includes a plurality of protrusions, the plurality of protrusions being a virtual first circle and the virtual first circle. It is in contact with the imaginary second circle contained in the interior of the imaginary second circle as a central unit is formed integrally and the end thereof has a shape in contact with the imaginary first circle, the release cross-sectional ratio of the shape It can be increased.
  • Step (S1) is a spinning dope manufacturing step for producing a lyocell spinning dope comprising a cellulose pulp and an ionic solvent.
  • the lyocell spinning dope is 6 to 25% by weight of cellulose pulp; And it may include 75 to 94% by weight of the ionic solvent, the cellulose pulp is preferably an alpha-cellulose content of 85 to 98% by weight, more preferably 600 to 1700 degree of polymerization (DPw).
  • the viscosity of the prepared spinning dope is low, so that it is difficult to realize a fibrous form during spinning. Can be lowered and difficult to dissolve.
  • the content of the ionic solvent in the lyocell spinning dope is less than 75% by weight, the dissolution viscosity is greatly increased, so that the dischargeability from the nozzle and difficulty in extracting the solvent occur, which is not preferable. Can be significantly lowered, making it difficult to produce uniform fibers in the spinning step.
  • the ionic solvent is Dibutyl imidazolium acetate, Dipentyl imidazolium acetate, Dihexyl imidazolium acetate, Dipropyl imidazolium octano Dipropyl imidazolium octanoate, Dibutyl imidazolium octanoate, 1-Ethyl-3-methyl imidazolium heptanoate, 1-ethyl- 1-Ethyl-3-methyl imidazolium octanoate, 1-ethyl-3-methylimidazolium nonanoate, 1-ethyl- 3-Methylimidazolium decanoate, 1-Ethyl-3-methy imidazolium undecanoate, 1-Ethyl-3-methy imidazolium decanoate 3-methylimidazolium dodecanoate (1-Ethyl-3-methy imidazolium dodec
  • Step (S2) is a step of discharging the lyocell spinning dope spun in the step (S1) from the spinning nozzle of the spinneret into the coagulating solution of the coagulation bath, and solidifying the discharged multifilament inside the coagulating solution.
  • the temperature of the spinning dope may be 30 ⁇ 90 °C.
  • a plurality of detention holes are formed in the spinneret, and the shape of the detention hole may be set in various shapes in consideration of the shape of the deformed section to manufacture the area of the hole and the size of the slit according to the use and shape thereof.
  • the number of the detention holes may be formed in the range of 300 to 50,000 in consideration of the number of monofilaments forming the multifilament which is the fiber to be manufactured.
  • the discharge zone is positioned toward the inside of the coagulating liquid, so that the multifilament discharged through the spinning nozzle is solidified inside the coagulating liquid as soon as the spinning dope is discharged, and is discharged through the nozzle. It is preferable to proceed with coagulation in a state where the shape at the time of being maintained as possible.
  • the ionic solvent contained in the coagulation solution is advantageous to use the same type as the ionic solvent of step (S1) in terms of recovery and recycling of the solvent, but in the coagulation solution ionic It is preferable that the concentration of the compound is an aqueous solution of 20 to 70%.
  • the concentration of the ionic compound of the ionic solvent contained in the coagulation solution is maintained to 20% or more, the solidification rate of the fibers discharged from the spinning nozzle is prevented from becoming too high, thereby securing the crystallized portion of the amorphous fiber with controlled crystallization.
  • the concentration of the compound of the ionic solvent contained in the coagulation solution is maintained to 20% or more, the solidification rate of the fibers discharged from the spinning nozzle is prevented from becoming too high, thereby securing the crystallized portion of the amorphous fiber with controlled crystallization.
  • the concentration of the compound of the ionic solvent contained in the coagulation solution is maintained to 20% or more, the solidification rate of the fibers
  • the temperature of the coagulating solution is maintained at 30 ⁇ 80 °C or more, to maintain the solvent diffusion rate of the fibers discharged from the spinning nozzle at an appropriate level, thereby maintaining the proper draw ratio of the fibers discharged from the spinning nozzle Therefore, it is good to control physical properties easily.
  • Step (S3) is a step of washing the lyocell multifilament obtained in the step (S2). Specifically, after introducing the lyocell multifilament obtained in the step (S2) to the traction roller, it can be washed by introducing into the washing bath.
  • washing liquid of 0 to 100 °C temperature
  • water may be used as the washing liquid, if necessary, other addition It may further include the component.
  • the concentration and temperature of the flushing liquid should be kept constant for uniform physical properties.
  • the lyocell multifilament washed in step (S3) may be emulsion-treated, dried and wound up as necessary, and, if it is not necessary, may be wound up after washing and drying after washing.
  • the tanning takes the form in which the multifilament is completely submerged in the emulsion and is kept constant by the pressure difference between the weaving rollers attached to the entry and discharge rolls of the tanning apparatus.
  • the emulsion serves to reduce the friction generated when the filament is in contact with the drying roller and the guide in the post-processing process.
  • the lyocell fiber of the present invention is biodegradable and thus environmentally friendly.
  • the lyocell fibers of the present invention exhibit a shape of a release cross section in which the monofilament includes a plurality of protrusions, and thus have a large specific surface area, so that the amount of the lyocell fibers is lower than that of a conventional lyocell fiber having a circular cross section and a low release cell rate. Even if it is used, it can exhibit the same or more physical properties.
  • the lyocell fiber according to the present invention since the lyocell fiber according to the present invention has a large specific surface area, when used in clothing, construction or automobile reinforcement, etc., even when using a small amount compared to the conventional lyocell fiber, it may exhibit more than equivalent physical properties.
  • the lyocell fiber according to the present invention when used for clothing, due to its large specific surface area, it exhibits excellent hygroscopic fast drying property, so there is no coiling phenomenon on the body even when sweat is discharged, so that the skin is always in a pleasant state, causing discomfort. Can be reduced.
  • the cooling rate is excellent, rapid sweating can be maintained if the sweat is continuously discharged.
  • the scope of application for clothing may include, but is not limited to, outdoor, sports, T-shirts, golf, men's and women's clothing, functional innerwear, hats, sports socks, underwear, wet wipes, mask packs and the like.
  • the lyocell fiber according to the present invention when used for the reinforcing material, the larger the contact area with the material to be reinforced, the greater the reinforcing function, MRG (Mechanical Rubber Good) such as tire cord (cord), hose reinforcement, cement reinforcement, It can also be applied to automobile interior materials and tobacco filter materials.
  • MRG Mechanical Rubber Good
  • tire cord cord
  • hose reinforcement hose reinforcement
  • cement reinforcement cement reinforcement
  • the spinning dope was maintained at the spinning temperature of 50 °C by applying a spinneret (spinning nozzle slit 0.06mm, length is 0.254mm) is formed a plurality of unit holes including three holes, the fineness of the filament Spinning was performed by adjusting the discharge amount and spinning speed of the spinning dope to be 3.0 denier.
  • the filament discharged from the spinning nozzle was supplied in a coagulation bath.
  • the coagulation liquid in the coagulation bath was used at a temperature of 70 °C, 50% by weight of water and 50% by weight of 1-ethyl-3-methylimidazolium acetate.
  • the filament formed through the traction roller is removed through the six-stage washing bath to remove the remaining 1-ethyl-3-methylimidazolium acetate, and the oil is uniformly applied to the filament, and then squeezed again to increase the oil content of the filament. It was maintained at 0.2% and dried at 150 ° C. in a drying roller to prepare a lyocell fiber having a single fineness of 3.0 denier as a multifilament made of a monofilament having a release cross section including three protrusions.
  • the cross section of the lyocell fiber of Example 1 is as shown in FIG.
  • Cell fibers were prepared.
  • Example 1 Except for adjusting the discharge amount and spinning speed of the spinning dope so that the fineness of the filament is 10 denier, in the same manner as in Example 1, it comprises a multifilament made of a monofilament having a release cross section including three projections Lyocell fibers were prepared.
  • Example 2 The same method as in Example 1, except that the discharge amount and the spinning speed of the spinning dope were adjusted so that the fineness of the filament was 3.0 denier, using the spinneret having a plurality of unit holes as one circular hole. As a result, a lyocell fiber comprising a multifilament made of a monofilament having a circular cross section was prepared.
  • a lyocell fiber including a multifilament made of a monofilament having a circular cross section was manufactured in the same manner as in Comparative Example 1, except that the discharge amount and spinning speed of the spinning dope were adjusted so that the filament had a single fineness of 6.0 denier. It was.
  • Cellulose pulp with a degree of polymerization (DPw) 820 and 93.9% alpha cellulose was mixed with a NMMO / H 2 O mixed solvent (weight ratio 90/10) having a propylgallate content of 0.01% by weight.
  • a lyocell wet and dry spinning dope of% (which can be referred to as a radiation dope concentration of 12%) was prepared.
  • the spinning temperature was maintained at 110 ° C. in the spinning nozzle of the same type as the nozzle used in the embodiment, and the spinning amount was controlled by controlling the discharge amount and spinning speed of the spinning dope so that the fineness of the filament was 3.2 denier.
  • Spinning dope on the filament discharged from the spinning nozzle was continuously supplied to the coagulating liquid in the coagulation bath through the air gap section.
  • the radiation dope was first solidified by applying cooling air at 8 ° C. and a wind speed of 10 m / s.
  • the coagulating solution was used at a temperature of 25 °C, concentration of 85% by weight of water and 15% by weight of NMMO, the coagulating solution concentration was continuously monitored using a sensor and a refractometer.
  • the filament stretched in the air layer while passing through the towing roller removes the remaining NMMO by the flushing liquid sprayed from the washing apparatus, makes the filament uniformly contact with the oil, and then compresses it again so that the oil content of the filament is 0.2 Percentage was maintained and dried at 150 ° C. in a drying roller to prepare a lyocell multifilament including monofilament having a release cross section including three protrusions and having a single fineness of 3.2 denier.
  • a lyocell multifilament having a release cross section including three protrusions was manufactured in the same manner as in Comparative Example 3, except that the discharge amount and spinning speed of the spinning dope were adjusted so that the filament had a single fineness of 6.9 denier.
  • Fineness The fineness of the lyocell fibers was calculated by the following Equation 3 using the monofilament cross-sectional area of the actual lyocell fibers and the density of the lyocell fibers obtained through the cross-sectional analysis.
  • Fineness (De) [monofilament cross-sectional area of lyocell fiber ( ⁇ m 2 ) x density of lyocell fiber (g / cm 3 ) x 9000 (m)] / 1000000
  • the lyocell fibers of Examples 1 to 3 which consist of monofilaments having a release cross section, are comparative examples 1 and 2, wherein the lyocell fibers are made of monofilaments having a circular cross section. It was shown that the space occupancy was greater than that of the comparative cross-section lyocell fibers manufactured by spinning method in Comparative Example 3 and Comparative Example 4.
  • the lyocell fibers of Examples 1 to 3 have a large specific surface area, and can be widely applied to a field where fibers having a large specific surface area are required.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Artificial Filaments (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
PCT/KR2016/015333 2015-12-30 2016-12-27 라이오셀 섬유 및 이의 제조방법 WO2017116117A1 (ko)

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Application Number Priority Date Filing Date Title
US16/066,778 US20190024263A1 (en) 2015-12-30 2016-12-27 Lyocell fiber and manufacturing method therefor
CN201680077173.0A CN108474142A (zh) 2015-12-30 2016-12-27 莱赛尔纤维及其制造方法
JP2018551737A JP2019500515A (ja) 2015-12-30 2016-12-27 リヨセル繊維及びその製造方法

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KR1020150190217A KR20170079531A (ko) 2015-12-30 2015-12-30 라이오셀 섬유 및 이의 제조방법

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US10011931B2 (en) 2014-10-06 2018-07-03 Natural Fiber Welding, Inc. Methods, processes, and apparatuses for producing dyed and welded substrates
US11766835B2 (en) 2016-03-25 2023-09-26 Natural Fiber Welding, Inc. Methods, processes, and apparatuses for producing welded substrates
KR102304833B1 (ko) 2016-05-03 2021-09-24 네추럴 파이버 웰딩 인코포레이티드 염색되고 용접된 기재를 제조하기 위한 방법, 공정, 및 장치
CN106222771B (zh) * 2016-07-22 2019-02-22 中国纺织科学研究院有限公司 一种纤维素纤维的制备方法
KR102356631B1 (ko) * 2017-09-21 2022-01-27 코오롱인더스트리 주식회사 마스크팩 시트
WO2019059706A1 (ko) * 2017-09-21 2019-03-28 코오롱인더스트리 주식회사 마스크팩 시트

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100471549B1 (ko) * 1996-08-23 2005-03-07 웨어하우저컴퍼니 리오셀 섬유 및 그 제조방법
KR20080090181A (ko) * 2007-04-04 2008-10-08 한국섬유기술연구소 링 정방기에서의 복합단면 방적사 제조방법 및 장치
WO2011048397A1 (en) * 2009-10-23 2011-04-28 Innovia Films Limited Biodegradable cigarette filter tow and its process of manufacture
KR101472097B1 (ko) * 2013-12-31 2014-12-15 주식회사 효성 이온성 액체를 이용한 셀룰로오스 섬유의 제조방법
KR20150113902A (ko) * 2014-03-31 2015-10-08 코오롱인더스트리 주식회사 라이오셀 섬유

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8163215B2 (en) * 2005-12-23 2012-04-24 Basf Aktiengesellschaft Method of forming regenerated carbohydrates with solvent systems based on molten ionic liquids
US20080241536A1 (en) * 2007-03-29 2008-10-02 Weyerhaeuser Co. Method for processing cellulose in ionic liquids and fibers therefrom
CN101328626A (zh) * 2007-06-21 2008-12-24 中国科学院化学研究所 一种连续制备再生纤维素纤维的方法
US9670596B2 (en) * 2012-05-21 2017-06-06 Bridgestone Corporation Production method for purified polysaccharide fibers, purified polysaccharide fibers, fiber-rubber complex, and tire
JP5948147B2 (ja) * 2012-05-21 2016-07-06 株式会社ブリヂストン 精製多糖類繊維の製造方法、精製多糖類繊維、繊維−ゴム複合体、及びタイヤ
WO2014024260A1 (ja) * 2012-08-07 2014-02-13 日東紡績株式会社 セルロース繊維の製造方法
WO2015152594A1 (ko) * 2014-03-31 2015-10-08 코오롱인더스트리 주식회사 라이오셀 섬유

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100471549B1 (ko) * 1996-08-23 2005-03-07 웨어하우저컴퍼니 리오셀 섬유 및 그 제조방법
KR20080090181A (ko) * 2007-04-04 2008-10-08 한국섬유기술연구소 링 정방기에서의 복합단면 방적사 제조방법 및 장치
WO2011048397A1 (en) * 2009-10-23 2011-04-28 Innovia Films Limited Biodegradable cigarette filter tow and its process of manufacture
KR101472097B1 (ko) * 2013-12-31 2014-12-15 주식회사 효성 이온성 액체를 이용한 셀룰로오스 섬유의 제조방법
KR20150113902A (ko) * 2014-03-31 2015-10-08 코오롱인더스트리 주식회사 라이오셀 섬유

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021526598A (ja) * 2018-06-29 2021-10-07 コーロン インダストリーズ インク 不織繊維集合体およびこれを用いたマスクパックシート

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